Bikini-clad Mel B kisses girlfriend during saucy afternoon on yacht with husband Stephen Belafonte in Sydney

Bikini-clad Mel B kissed a girlfriend on a yacht in Sydney harbour on Monday

She has admitted to having a five-year lesbian relationship with a woman.

And it seems Mel B may still have a penchant for the fairer sex.

The 38-year-old was seen kissing and hugging a girlfriend while partying on a yacht with husband Stephen Belafonte in Sydney harbour on Thursday.

The America's Got Talent judge appeared to be enjoying a lengthy kiss with her gal pal

Mel was seen whispering to her friend as the pair soaked up the sun. The pair enjoyed an embrace as they lay down on the deck

Mel and her friend were seen having a giggle together as they sat side-by-side on the boat

Her friend then knelt over and gave the former Spice Girl a kiss. Mel B pulled her pal close as they reclined together

Mel's friend was seen prodding her bust, seemingly fascinated by the swimsuit design

The pals were seen dancing with their arms in the air

The women danced around, clearly loving life in that moment

The friends lay with their arms around each other as the third woman looked preoccupied with her phone

Mel was seen shaking her wild head of hair around, much to her friends' amusement

One of the women wore an animal-print bikini while the other donned a blue bandeau top and yellow bottoms

You ladies need anything? Mel's husband Stephen Belafonte checked in on the women during their afternoon of fun

Stephen appeared to be admiring his wife's assets as she turned around

Mel shielded her eyes with animal print shades, while Stephen appeared to be carrying a beer

The couple were seen in a chauffeured car, with Mel and her girlfriends in the backseat and Stephen on the passenger side